Lithium-Ion Battery, UPS Power, Lithium Battery Charger manufacturer / supplier in China, offering Reliable Grade a 18650/21700 Lithium-Ion Cells for Power Users, Customizable Waterproof Lithium Ion Battery Cells for Power Tools, Deep Cycle 100ah 200ah 300ah 400ah Lithium Battery Packs for Golf Carts/RV/Marine and so on.